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Experiment Study on the Flexural-Axial Capacity of Steel-Concrete Composite Column composed of Non-Compact Section  

Oh, Myoung Ho (현대건설 기술연구소)
Kim, Bum Rae (고려대 대학원)
Kim, Myeong Han (경운대 건축학부)
Kim, Dae Joong (삼성물산 건설부문 건축기술팀)
Kim, Sang Dae (고려대 건축과)
Publication Information
Journal of Korean Society of Steel Construction / v.17, no.4, 2005 , pp. 431-438 More about this Journal
Abstract
A steel-concrete composite column is a recently developed composite system in which the two opposite flanges of the H-shape section are connected by welded links, and the vacant space enclosed by the flanges, web, and links is filled with concrete. Previous experiments on the SC composite column were performed to evaluate its compression and bending and shear strengths, respectively, and they showed fairly good results. In addition to thesestudies, it may be necessary to evaluate the flexural-axial capacity of an SC composite column, because itscolumn members are generally subjected to axial force and bending moment at the same time. In this study, the bending strength of an SC composite column subjected to axial compression force was investigated experimentally. The results of the study showed that the AISC-LRFD provisions representedexcessively low values compared with those of the ACI, Eurocode-4, and Japan Code provisions. The Eurocode-4 provisions represented reasonable evaluations of the strength of the SC composite column composed of a non-compact section.
Keywords
Composite Column; Flexural-Axial Load Experiment; Non-compact section;
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